Tamilnadu BoardEnglish MediumSTD 11Bio ZoologyKingdom Animalia3 Marks
Question
Distinguish between parazoa and eunietazoa.
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Answer
These include multicellular animals whose cells are loosely arranged without the formation of tissues or organs, e.g. Sponges Eumetazoa: These include multicellular animals with well defined tissues, organs and organ systems.
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